1. Which unit is generally used to express the activity of a Radio Active substances?
2. Which are the strongest known forces in nature?
3. To which country does George Stevenson belong?
4. What is AC in Physics?
5. Which apparatus is used to measure acceleration or deceleration?
6. Give an example for an accumulator?
7. What is the common name for Ethanor?
8. what is the common name for Propanone?
9. What is the chemical name for teh pain killing dry aspirin?
10, How an acid can be detectd?
11. When an acidic oxide react with an alkali what will happen ?
12. What is allotrophy?
13. What is the atomic number of Aluminium?
14. Mention the symbol for iron?
15. What is amalgam?
16. Which is the commonest alum?
17. What is alumina?
18. What is androgen?
19. What is the other name for aerial?
20. What is the metric unit of area?
21. How many ares make one hectare?
22. Uranus was discovered to have rings. When?
23. At Sea level what is the average pressure?
24. What is Avogadro's number?
25. What is a barograph?
26. After whose name the unit becquerel is named?
27. There is one unit in the name of Alexander Graham Bell. What is it?
28. What is C6H6?
29. What is biogeography ?
30. To which family does fluorine belong?
26. After whose name the unit becquerel is named?
27. There is one unit in the name of Alexander Graham Bell. What is it?
28. What is C6H6?
29. What is biogeography ?
30. To which family does fluorine belong?
.
26. After whose name the unit becquerel is named?
A. French Physicist Henri Becquerel
27. There is one unit in the name of Alexander Graham Bell. What is it?
A. Bel-unit of sound measurement
28. What is C6H6?
A. Benzene
29. What is biogeo graphy ?
The study of how and why plans and animals are distributed around the world.
30. To which family does fluorine belong?
A. Halogen.
Answers.
1. Which unit is generally used to express the activity of a Radio Active substances?
A. Cure.
2. Which are the strongest known forces in nature?
A. Nuclear forces
3. To which country does George Stevenson belong?
A. Englad
4. What is AC in Physics?
A. Alternating current.
5. Which apparatus is used to measure acceleration or deceleration?
A. Accelerometer
6. Give an example for an accumulator?
A. Lead acid car battery
7. What is the common name for Ethanor?
A. Acetaldehyde
8. what is the common name for Propanone?
A. Acetone
9. What is the chemical name for teh pain killing dry aspirin?
A. Acetyl salicylic acid
10, How an acid can be detectd?
A. By using litmus and methyl irang.
11. When an acidic oxide react with an alkali what will happen ?
A.Salt is formed.
12. What is allotrophy?
A. Property where by an element can exist in 2 or more forms
13. What is the atomic number of Aluminium?
A. 13
14. Mention the symbol for iron?
A. Fe.
15. What is amalgam?
A. An alloy of mercury with other metals.
16. Which isteh commonest alum?
A. Double Sulphate of aluminium and potassium
17. What is alumina?
A. Oxide of Aluminia
18. What is androgen?
A. General name forany male sex hormone.
19. What is the other name for aerial?
A. Antenna
20. What is the metric unit of area?
A.aarc
21. How many ares make one hectare?
A.100
22. Uranus was discovered to have rings. When?
A.1971
23. At Sea level what is the average pressure?
A. 760 mm of mercury ocr 14.7 pounds per square inch.
24. What is Avogadro's number?
A. Number of carbon atoms in 12 gms ot the carbon 12 is otope.
25. What is a baro graph?
A. device for recording variations in atmospheric pressure.
.
26. After whose name the unit becquerel is named?
A. French Physicist Henri Becquerel
27. There is one unit in the name of Alexander Graham Bell. What is it?
A. Bel-unit of sound measurement
28. What is C6H6?
A. Benzene
29. What is biogeo graphy ?
The study of how and why plans and animals are distributed around the world.
30. To which family does fluorine belong?
A. Halogen.
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